138625252038

Names of 138625252038

• Cardinal: 138625252038 can be written as One hundred thirty-eight billion, six hundred twenty-five million, two hundred fifty-two thousand and thirty-eight.

Scientific notation

• Scientific notation: 1.38625252038 × 10¹¹

Factors of 138625252038

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 28210292

Divisors of 138625252038

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 182 189 234 273 351 378 546 702 819 1638 2457 4914 28210267 56420534 84630801 169261602 197471869 253892403 366733471 394943738 507784806 592415607 733466942 761677209 1100200413 1184831214 1523354418 1777246821 2200400826 2567134297 3300601239 3554493642 5134268594 5331740463 6601202478 7701402891 9901803717 10663480926 15402805782 19803607434 23104208673 46208417346 69312626019 138625252038
• Sum of all divisors σ(n): 379146001920
• Sum of proper divisors (its aliquot sum) s(n): 240520749882
• 138625252038 is an abundant number, because the sum of its proper divisors (240520749882) is greater than itself. Its abundance is 101895497844

Bases of 138625252038

• Binary: 10000001000110101101010111101011000110₂
• Hexadecimal: 0x2046B57AC6
• Base-36: 1ROLW91I

Squares and roots of 138625252038

• 138625252038 squared (138625252038²) is 19216960502599023153444
• 138625252038 cubed (138625252038³) is 2663955993077080738698772047718872
• The square root of 138625252038 is 372324.1222886317
• The cube root of 138625252038 is 5175.4420438195

Scales and comparisons

• 138,625,252,038 seconds is equal to 4,407 years, 44 weeks, 2 days, 22 hours, 27 minutes, 18 seconds.
• To count from 1 to 138,625,252,038 would take you about eight thousand, eight hundred fifteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138625252038 cubic inches would be around 431.3 feet tall.

Recreational maths with 138625252038

• 138625252038 backwards is 830252526831
• The number of decimal digits it has is: 12
• The sum of 138625252038's digits is 45
• More coming soon!